package com.atguigu.gulimall.order.interceptor;

import com.atguigu.common.constant.AuthServerConstant;
import com.atguigu.common.vo.UserLoginRespVo;
import org.springframework.stereotype.Component;
import org.springframework.util.AntPathMatcher;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 登录拦截器
 *
 * @author LaiSanShan
 * @date 2021-08-31
 */
@Component
public class LoginUserInterceptor implements HandlerInterceptor {

    public static ThreadLocal<UserLoginRespVo> loginUser = new ThreadLocal<>();

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws IOException {
        // 内部调用/order/order/status/{orderSn}，不走这个拦截器
        String uri = request.getRequestURI();
        AntPathMatcher antPathMatcher = new AntPathMatcher();
        boolean match = antPathMatcher.match("/order/order/status/**", uri);
        boolean match1 = antPathMatcher.match("/order/order/close/{orderSn}", uri);
        if (match || match1) {
            return true;
        }

        UserLoginRespVo attribute = (UserLoginRespVo) request.getSession().getAttribute(AuthServerConstant.LOGIN_USER);
        if (attribute != null) {
            loginUser.set(attribute);
            return true;
        } else {
            // 没登陆
            request.getSession().setAttribute("msg", "请先登录！");
            response.sendRedirect("http://auth.gulimall.com/login.html");
            return false;
        }

    }
}
